Medicine Endocrinology 4c2ebad4 Not associated with thymoma is A Red cell aplasia B Myasthenia gravis C Hypergammaglobulinemia D Compression of the mediastinum High-Yield Explanation Hypogammaglobulinemia is seen in thymoma not Hypergammaglobulinemia . ref harrisons internal medicine 20e p2496 , 729 ,3232, 3237